Flights from Washington DC to Montreal

Our cheapest offers for flights from Washington DC to Montreal

Here you can compare cheap flights from Washington DC (WAS) to Montreal (YMQ) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Montreal. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Washington-DC
Montreal
Outbound
10/18/25
1 Stopover (YTZ)
PD2726, PD2485
03h 50min
Return
11/17/25
1 Stopover (YTZ)
PD2452, PD2723
06h 09min
Porter Airlines
$421
Best option
Washington-DC
Montreal
Outbound
10/18/25
direct
AC4671
02h 08min
Return
11/17/25
direct
AC4672
02h 00min
Air Canada ?
$901
Washington-DC
Montreal
Outbound
10/18/25
1 Stopover (YTZ)
PD2726, PD2485
03h 50min
Return
11/17/25
1 Stopover (YTZ)
PD2452, PD2723
06h 09min
Porter Airlines ?
$423
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Washington DC to Montreal

Favorite airline: Porter Airlines
Most travelers looking for flights on the route from Washington-DC to Montreal decide to book flights with Porter Airlines.
Porter Airlines
89 %
United Airlines
10 %
Westjet
2 %
Stopover flights are the cheapest connection
Compared to flights with a stopover, direct flights are $91.00 more expensive on this route.
non stop flight
1 stop
02h 01min
06h 15min
316 US$
225 US$
Favourite connection: via Toronto - City Centre
The most popular route is via Toronto - City Centre and is booked by 93 % of all travelers.
Route
bookings
1 stopover Toronto - City Centre Airport
06h 15min, from 225 US$
93 %
1 stopover New York - Newark Liberty International Airport, NJ
07h 16min, from 289 US$
5 %
1 stopover Toronto - City Centre Airport Toronto - Lester B. Pearson International Airport
06h 46min, from 283 US$
2 %

Important flight information

Flight information: Washington-DC - Montreal

Roundtrip from 420,30 US$
Flight duration min. 01:39 / max. 01:50
Return flight duration min. 01:44/ max. 02:07
Distance 792 km
Flights per week 40
Departure airport Airport Washington-DC (WAS)
Arrival airport Airport Montreal, all Airports (YMQ)
Destination country Flights to Canada
Alternative routes to Canada
Alternative flights to Montreal
Flight destinations with a similar price
Flight destinations with a similar price